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Table B.2.
Properties of hysteresis loops of Betelgeuse from the present paper and Gray (2008).
| Mask | RV range | (RVmin + RVmax)/2 | T range | Timescale | |
|---|---|---|---|---|---|
| (km s−1) | (km s−1) | (K) | (d) | ||
| C2 | 4.0 | 1.0 | |||
| cycle 1 | C3 | 4.4 | 1.2 | 81 | 400 |
| C4 | 4.2 | 0.0 | |||
| C5 | 3.7 | 0.7 | |||
| C2 | 4.9 | −1.8 | |||
| cycle 2 | C3 | 3.8 | −1.4 | 45 | 345 |
| C4 | 3.1 | −2.1 | |||
| C5 | 3.6 | −1.2 | |||
| C2 | 7.7 (9.8) (a) | −1.4 (−0.4) | |||
| cycle 4 | C3 | 7.4 (10.1) | −1.2 (0.16) | 91 (105) | 410 |
| C4 | 6.9 (8.5) | −2.5 (−1.8) | |||
| C5 | 6.2 (6.2) | −1.8 (−1.8) | |||
| Gray (2008) | 4–8 | up to ∼100 | ∼400 | ||
Notes.
(a)
Values in parentheses correspond to measurements from hysteresis loops of Cycle 4 with two additional epochs JD 2 458 900.5 and JD 2 458 907.5 shown as star symbols in Fig. 2.
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